Laserfiche WebLink
819 Stoker Avenue Suite S <br /> Sequoia Saxa�to CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0i00 <br /> www sequoialabs corn <br /> Weston Solutions,Inc-WaInut Creek Project San Joaquin HSA 5212417 <br /> 1575 Treat Blvd,Ste 212 Project Number N/A Reported <br />' Walnut Creek CA,94596 Project Manager Jessica Levine 12/30/02 18 32 <br /> Total Purgeable Hydrocarbons and BTEX by DHS LUFT - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result LImu Units Level Result %nREC Umits RPD Irmit Notes <br /> Batch 2120429-EPA 50305 P/T <br /> Blank(2120429-BLK3) Prepared&Analyzed 12/26/02 <br /> Purgeable Hydrocarbons ND 50 ugli <br /> Benzene ND 050 <br /> Toluene ND 0 50 " <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 <br /> Surrogate a a a-Trifluorwoluene 101 100 101 60-140 <br /> Laboratory Control Sample(2120429-BSI) Prepared&Analyzed 12/24/02 <br /> Benzene 932 050 ug/1 100 93 70-130 <br /> Toluene 9 19 050 100 92 70-130 <br /> Ethylbenzene 936 050 100 94 70-130 <br /> Xylenes(total) 27 5 050 300 92 70-130 <br /> Rog—Ite a a a-Tr�fluorololuene 990 100 99 60-140 <br /> Laboratory Control Sample(2120429-BS2) Prepared&Analyzed 12/26/02 <br /> Benzene 949 050 ug/1 100 95 70-130 <br /> Toluene 949 050 100 95 70-130 <br /> Ethylbenzene 969 050 100 97 70-130 <br />' Xylenes(total) - _ 28 7 050 300 96 70-130�� <br /> Surrogate a a a-Trifluorotoluene 101 100 101 60-140 <br /> Laboratory Control Sample(2120429-BS3) _ Prepared&Analyzed 12/26/02 <br />'Benzene 934 0 50 ugll 100 93 70-130 <br /> Toluene 996 050 100 100 70-130 <br /> Ethylbenzene 100 050 100 100 70-130 <br /> Xylenes(total) 294 050 300 98 70-130 <br /> Surrogate a a a-Trtfluorotoluene 112 100 112 60-140 <br /> 1 <br /> 1 <br /> uoia Analytical-Sacramento The results in this report apply to the samples analyzed to accordance with the chain of <br />' custody document Thos analytical report must be reproduced in its entirety <br />' Page 9 of 11 <br />